Combination circular saw miter machine



Aug. 29, 1933. zAcHARA COMBINATION CIRCULAR SAW MITER MACHINE Filed May 3l, 1930 3 Sheets-Sheet 1 www . ATTORNEY Aug. 29, 1933 l.. ZACHARA 1,924,672

COMBINATION CIRCULAR SAW MITR MACHINE Filed May 3l, 1930 3 Sheets-Sheet 2 INVENTOR www ATTORNEY ug. 29, 1933. ZACHARA 1,924,672

COMBINATION CIRCULAR SAW MITER MACHINE l f Filed-May 31, 1930 3 Sheets-Sheet 3 www b if) INVENTOR www 55m/Wm ATTORNEY Patented ug. 29, 1933 n "wei t "coM'InA'rroN cuwlil'fRA fsW-v, itngliitV l n e AivrAcHrygE. LLadislas zeeiiere, Bremertpp,weshi Y l Application Mey 31, issfserieiene. 458,116." 'I 4:21 claims. (ci: "mei-eej`- l'I'his invention relates to improvements in fWood being a1 slight clearance provided ,i between the Working rmachinesy and more lparticznlarly to a .horizontal surfaces of theseparts. 1 portable, Vpower driven saw adapted `for right 'or f The :bed l platev 3fhas an integral,`- upturned left hand rnitering, cutting 01T, squaring, dadoing `lange37 at its forward' edge to lwhichga rail-37a 5 of concave or convex surfaces, tenoning, grinding `Of a Suitable 01 desirable length iS'- 'Xed1y ali- 60 -or ripping; the principal object of the invention tached yby l screws; 37b "extended through'.` the being to provide a relatively inexpensive bench flange. .This rail, which'preferably, is'ofwood, machine of the above character whereby the'va- `serves, as,A a,r gauge orcabutment againstrwhich rious operations mentioned, and others', `may be pieces to'be worked,on-mayy bev placedandheld' A ,10 easily, quickly andeconomically done. for s quaringoff @or forV angular cutting ,as will 655 Other objects of the invention reside in the Apresently bedescribed; various details of construction and the combnai The lower'base unit,`as disclosedbestginrFig. tion of parts and in their mode of operation s has standards. 31-'311 atits, oppositesidee'dges will hereinafter be fully described. 4 f 1f ntglal Withmhe base' platelfand these Stad- 15 In'accomplishing'these andother objects'of'the` ards, at theirtupper fends, havehorizontally` di- 70 invention, I`have vprovided theimproveddetail's rected'and'parallel'jtracks ,or rai1s. 39;fixed thereof construction, thepreferred forms of which are to which extend,` as4 shown in Figi, \across,and Y illustrated in the accompanying drawings, wherebeyond theigauge rrail31a-arid attheironter-ends fx1- j have supporting legs90a pivotally hinged thereto Fig.'l is a centraL'vertical section longitudinalas at 92a and yieldinglyheld in-placeby springs flf ly of the machine, showing in dottedjflines dilerf- 91 a attached thereto and-tothe rails 39.`j I' entpositions of the saw, f Upon the parallel guiderailsBQ-a base'or platv Fig; 2 is `a plan view substantially in theV hori4 form 40 of an upperbaseunit ismounted for-slidvzontal plane of the line 2 -2in'Fig- 1'. ing adjustment,therealongyThe-twovfguidefrails y j Fig. 3 isa vertical cross sectiont ken Online in this instancearerigidrbygreasonoanyinverted 8 0 i740 tersmk aff' rin its under side mtedzebput theirib The base;Structureffincludine theebaseplat ,50 to rotatefreely ,aboutthe' sl'eevefupon the plateB. the bdiplate gelati-equal radial distances ,form

, 3-3 in Fig. 1.1" o v V-form in crosslsection andthe-base plate 110 is Fig. 4 is 'a plan view ofthelower base unit.L ,providedon its underrside'at 'oppositeedgesvv-itl;il Fig. 5 isa planview o1.' the upper base unit. ribsv3 8 formed with downwardlytfacingegrooves Referring more in detail to' the severalfviews which receiyefthe'ridges.of-the, railseinfa sliding` 3o ,of--thedrawing S-` Y 'fl .i l nt thatjinsures-againstloosenessqThebase plate '1 `The movable parts of thefpresent machineare is held on therailsagainstupward displacement mounted upon a lower base unit comprising abcd by m e ans v o fl flange, platesAlirlQthat,` are f-as-` plate which is designed to restatlyvupo'n and. -ened t0 the ribs'by' SCrQWS 4.2; irlfSuCh-manner ,if'de'sirea lmbe fixedly etteehed'toa supporting thatthey longitudinally:undenepv vthemils'in a; l

Vsurface such as a benchtop.V V" Ihe Vbedvplateis SlidingconnectionasseeninligB. Thispermits 9.0.

formed en it's upper eurfaeewithen annular, the upper beseilrltto bve-adiustedelengthwise conically taperedrb 3^ about and-iuponwhichthe t0'.-anygpositionfalong theerails 39e-139 and` these base plate 3 of a base* frame structure is romay extend t0 any desled/dsancee'bOhOrWar tammy fitted. The plate 3" has e circuler coun,- ly. and .rearwardly Ofwthe `lower baseostructure.

`tlfl''s tandards; 31-31 and the rails 39l `also -is ro-,- ment and the plate"3v is rotatable about a cylinfttafblyea'djustablemfa horlzontalplaneabout the meell pivot sleeve 2o that extends vertieany Pwtsleeve mmmmaybehem -Btanyselected o 1 d a bolt 19 having-a Aheaded lower end and aV v f u ,ain V x y basememberq,sothatthenutoverlaps thebase nut 119' threaded onto lets upperendJs threaded plate 3"; A flocking pindisarranged forlpro- ,upwardly througnfhe sleale ,to 119m: th? Plate jerction through `an opening inthe-base)jpla'te 3'! ,against upward, .dlsplacement but ,is Permitted intoranyfone oaI serie'sgofholeseSSb formed in 3 to retain the part'sagainst relative displace- 165 Ifhe countersink oftheplate 3",h as its inner edge Vthe pivot boltp19, 'thusftolocate :andgretainV the Abeveled to correspond to thebevel of theouter frame-` structnreatvcertain definite positions. surface ofgthe rib 3 and this provides for an au- 'lfhese holes' are preferably located so that rthe tomatic take-up of any looseness thatmight occur railsl 39 may-readily `be located at a right angle incident to wear onf the engagingsurfaces; Athere to the diretignm-the gumbarw andalso .at 110 k60Y east on the fumier side of the arm near-its oppef the Various conventional angles such as thirty, forty five and sixtyrdegrees. The pin 33a is operatively connected at `its upper end to a release lever 33 which, inv turn, is pivotally attached as at 32, to a post 32a on the plate 3". A spring B2b is connected to this lever and to the base plate to draw downwardly on the lever thus toretain the pin seated, but the lever may'-be lifted to vun-y seat the pin for adjustment of the base by means of a cable 35 which is attached to and extends upwardlyfrorn the outer end of 'the lever 'then throughv a horizontal channel Yprovided'therefor with a pull member 35". ,This cable is provided` in orderA that an operator when working at the forward end ofthe machine may easily make an adjustment without having to reach; withY the hand back and under the upper base unit.

Mounted upon thefbase plate*40' of the upper base unit isa bed plate 3a secured 'thereto'by a splurality ofscrew's 45. This plate 3a is of the same' general character 'as the plate '3' and is provided along its'forward edge with an upturned iiange 24' to which a'woodenrail 25 is-fasten'ed by vscrews 27. Thislrail serves as a gauge andA stop againsty which pieces may be lplaced'ior cutting off at various anglesas presently set forth.

Pivotally mounted upon the bed plate-.3a is the base 2 of the upper base unit.V This isrotatable as in the unit ibelow, about a sleeve 20 and is Vheldin place by a headed `bolt 19 thatextends Aupwardly'through the bed! plate Ba'and baseZ.

A'nut 28`is threaded onto the bolt to retain the Y plate 2" against upward displacement) Also, the

plate 2'- hasa circular, beveled edge recess in its under sideconcentricwith the bolt 19 and this reces'snts down over a beveled circular'rib '3b lon the bed plate 30a.`

Ythen held at any position of adjustment by a -tapered pin 16 that extends ydownwardly through an opening'providedtherefor inthe plate v2 and into any one of a plurality'lof holes 16aprovided inthe Abase plate at equal; distances radiallyffrom thefpin 19 to recei'veitiV The Apin '16 is also' oper'- K Aati'vely attached atits upperjend to a release lever the operator of the machine.

i Formed integral withthe base plate '25st ;tfs

'opposite sides are standards'2-"2y as seenin Figf' 3, and hingedly'mounted the'rebyfis an karm or Isupport 1.'-'1Thi`s arrnr'is mountedby a hinge pin -31which'extends-throughthe upper ends-ofthe standards and through dependingv 'ears' 3'0-.-0

Ysiteledges;"This arrn, at its Inclinti'ngend,` is

`formed atonesidewith a downwardly ifset'tal ble 1a on which a srnall electric rnotr22 is'ad- 'justably Inou'nted. The yrntofr has a'plleywhe'el 23 `mounted?.onits v shaft-fand! a belt i8 extends about fthe'pull'ey 23` an'd valso :about a pulleywhel' 23 that vis fixed on ai transverselyV directed arbor 53 that 4is rotatably mounted in bearingsl 54 fixed to the underfsideoffthearm near-its` outer 4-or swingingiend)` A 'slot isfprovide'd 'lengthwise'of f the arm for the passage ofthe belt therethrough. Avcircular'saw lisremovably mounte'dvon one vend of the aboratoneside vof the armv and', as

Y The plate 2 maybe ad# justed about this rib toditere'nt Yp'ositions'and the arbor. The cutter showns representative of niany'sirnilar devices which may be used 1nterchangeably on the arborV for various. opera-v tions such as for vrnaking mculdingafor tenoning,

shaping or grinding.

A guard 57 is fixed to the arm. to overlie the cutter and to this guard, 'as' seenV best Fig.Y 2,

`there. are hold-down springsv 58 adji'istably],fas-l tened by set screws 59.

these springs is shown in Fig. 1 as extending about the forward edgeiof the cutter and is -held by' a screw 6l'- with the adjusting screw 59 ex-VK VYtendedfthrough its 'upper end'and also through.

arubber block that is placed between thespring and mounting so vas to give a certain desiredresiliency to the connection.

Fixed-on the bed- Vplate 40, as seen in Fig. 3, andV extended beneath the cutter head 551s a platform 62 or what mayv be called a mould'er bed across which work may be `placed and fed tothe cutter head. This platform is'held in place'rby screws or th'eflile v95. f Irl/some instances a short Vbed mayfbe incre ldesirable a'ndfthis 4would be The position of oneY of` located seen in dotted lines in Fig. lv var'id'atl tached'to the side members yorf legsi' of a table v5 overlying the Y structure as wlllpresently be described. i* l.

Fixedjv to the underside'ofI the: platform 9 on which the motorl is mounted 'is abracket '10.that has an end curved circularly about the hinge shaft 31 and it passes closely along one of the standards Y2 and has a Alaterally turned en'd portion4 13 through which aset screwv 1liA is threaded ,to engage .with the standardon one'sid'eto limit q the downward' swing' of the 'free endV of the arm.

This' bracket has an arcuate slot 1l extended laiong it" 'and` a set scrcwextends through therslot' f and is threaded into a [nut 12 that' may be ad-H f justed against the side-of the standard opposite "the set serew .lf-i, Thus by `adjustment of the, set

screw `andnut the arm may be limited in movement or may berigidlylockt-:i at any set position.

VWith the screw! 14 adjusted'outwardly toits limit and thenut12' .moved to the upper 'end lof the ,A 1 'l slot, the arm will nave a free swingingmovernent rthrough va considerable arc s o that Vlthe saw may dotted.linevpos'itiovn of Fig. l. y, Y, j K Overlying the saw"a'rin is the' platforinjor tables.l This is kperfectly nat with oppositey side be' adj'usted upwardly 'or downwardly 'as to the framescompris'ing the vertical legst'and theA connecting bars 7,; ,The ytablef'frame isjhingfedlyattached to the rearend ofthe plate 3a by a h ge pinl26 extended through upstanding earsfn on the plate `Band through'the'f rear vendsV o' the base through which the saw may -be-`-1ifted.l'The-'saw armniayibel iixed' .relative 'to Athis table by a bolt -84 which is'pivotallymounted at-,its loweriend by .a pinrdbetween'spaced ears ifrformed `on a front end cross piece 6 ofthe Vtable'frame.l This boltS/i extends upwardly'and has nuts 82-82 threaded thereon to engage opposite sides ofsa Vspherical head 83 ormedtonthe swinging end o'f. the arm. The engaging surfacesk of these nuts through the 'table slot Say vit'being yimderstood that` when` the saw is `operati-:d vthrouf'gh the table slotyth'e guard 67 would'beremoved 'from the arm; As vseen in Ei'ga-2, the-'armhasv a'handle'i) Vfirmly holds thebar "at a right angle to the "of the table at theplace of application. y

called the inside depth 4gauge-V63.

justably fixed to the arm bya -set screwil to 1.

at its end-v and `an opening 88 providing a hand hold. The fbolt'is arranged to extend through the opening 88 and aslot 87 is Aextended therefrominto the head 83 to seat the bolt 84 for.: the

ferent angular positions about thepivot `19 upon releasing the locking pin16. A'For doing this I have provided the releasing cable 35awhich ex# tends from the releasing lever. 17 upwardly through the arm then forwardly therealong and atea position adjacent the hand `hold/of the arm has` ahandle 76 attached thereto. Also ,la switch S may be located at the outer endrofutthearm for controllingthemotor circuit and `this could be in series circuit with an electric lamp .21 mounted onthe underside of the armto illuminatethe work `being done;` this lamp being locatedrearwa'rdly of .thesaw and in a position yto illuminatey the work along the plane of the sawl' f i i Adjustment of the motor forwardly or rear-V wardly may be done to tighten the belt by the` manipulation of adjusting `screwsl 46 threaded through the table flange against orinto'the motor base plate.' l l 1 Formed Yalong the left handside edge of the platform, as in Fig.3, and along the front end edge, as in FigIl, is a groove 91 with a square cut inner walland beveled outer wall. Azgauge bar` 94 is applied to the table and has a boss 9,1',y ap plied to the groove and agflange underlying the table edge with a set screw 93 therethrough to clamp the bar at any set position. The boss 'when 1j seated in the slot vby tightening of the screw Associated with .the pivoted saw arm'is what is This i -is adextend downwardly at one side-of the sawfand ithas a forwardly rounded lowerfendfportion as seen in fFigure l.,l 'Vertical .adjustmentof the gauge ismade by loosening the screw and then effecting adjustment by use of a laterally yturned handle 66 on-fthefupper end of the` gaugeg.

Vlongitudinal slot64fin vthe gauge receives the` set screw therethroughand-permits the adjust-l ment. At the other side of the saw is a gauge'l adjustably fixed by a pivot to a bracket 81 thatis attached to the outer end of thev saw arm; `.IIhis lattergauge is adapted to be adjusted to different positions relative to the bottomedge of the saw by a4 set s'crewj'79 that Ais mounted-inthe` bracket and engaging with the inner end of the gauge member. `The two gauges 63 and 77 disposed at C opposite sides of the plane of the saw are adapted for use in right-or left hand rabbeting,A and the onethatV is in' use .may be adjusted against' thev piece being'worked on `to limit the depth of g, the sawcutfi if There isalso a two-,way holdingarm 69' ad'- justably mounted upon the side of Vthersaw guard 67. This isemployed for holding material against the'gauge 24 and has anadjustingrscrew 58 for raising `orlowerng.` "Atthelowerfend of the 'gauge isa yieldable shoe 'YZadaptedQto beary yieldingly against the part workedonf-Aset .orangularfcuts of any degreernay be made by'` proper adjustment of the set screwli andnut 1,2

edge from `boards/cut in strips byusing the sa'was a i would.' be fed across the l ainst rthecutt'er head of Tenoning. also is done m'theV f. 5 moulder bed by the use 'of the proper cutter headn A" ,t `Various operations other than' thoseherein.de-

.proper selection.

` t 3 screw 71 extended through "a'slot "73 inthe gauge and threaded into` the mounting piece is tightened to hold' thel gauge at :any Vset position.v

Assuming that the device isconstructed as described and illustrated, ,itc-is used as follows: 'For -squaring 01T or cutting boards` ofsome width,

theyare :placed against Vthe gauge railr'a, .then the machine is-rotatably adjustedabout thenpin 19to1'a desired angular position for the cut. vThe Y entire upper framestructure may then` be 'moved slidably 'along the Vrails 39;-39whle the saw'isin'` alowered position to thuseut off thepiece.'v If. desired the'dept'nV gauge 1163 maybe usedfto'glimit the depth-*of the cutf made.- y ,Byernplovying; rails lof considerable length; boards of; considerable` width',v may.. be accommodated. Also, 'the pivotalmovement of the frame permits, angular cutsrofpany degree to be made.,V

If it should be so desired A'the e'ntire upper i structuremay be disrnountedfromv the' rails '397; ,.39'and used independently of thelower structure,

In sucheventthe cutting ortis-done byaplacing` f the piece to be cut againstthejrail 25 and swingfl j ing the saw downwardly thereagainst.` .Bevels 1 pivotal adjustment of the structure about the` pivot pin 19'; In this use of the saw it would' be released from the holding bolt 34 and ,fits` movement limited to any desiredextent by the M carried by 'the bracket 1'0.

grooving and shaping operationsj i, When the platform is iinuse the vsaw issetiat a definite position, as shown in'dottedline's, to `ex- If desiredfthe gauge piece 9a may be used for squaring upl "the piece and this lgznigelfinayV .be Y `appliedA along' the side; or lend` of the tablet: If

the platform vis not desired`,'j it maybeswung 10's` The gauges 63 and '1 2 also .would be` used `here for various` cutting,`

no tendjvupwardly through the table .slot,'then vthe work is fedthereto across the-top "of thetable.

upwardlyland rearwardly out oftfthe wayw f lIiorjvork onfinouldingspieces may be prepared.

in'oulder Vtable and ab scribed may be `performed on lthe machineand special,.opera'tionay Furthermore itis understood.

that changes might be made inthe various -de- 4 tailsof construction,.without departing from the spirit ofthe invention. l l" v 'it is -not to be understocdthatthe machinefshall, f. be limitedltoany speeialrniannerof use or any v.

claim'as-.new therein and desire to securefby Letters-Patent is- -vr .y f v lf. Inl a machine ofthefcharacter described, a. bed plate, agauge rail fixed rigidly alongfone `edge thereof, a1 vertical pivot fixed ,in` the, bed

. plate, a plate resting'upefn the b edplate and.

rotatably adjustableaboutthe vertical pvot. a rigid -aringhingedly 1mountedv `on the base plate an-:liextending substantially horizontally across theA said gauge rail and" movable vertically at its `extended end, `a circular saw operatively'mountt ved at the swinging endofthearmandadapted ,by downward swinging action ofthe ratten to' cui` .151.5 i Ythrough pieces placed against the gauge rail,y Aj i j w -22 lIn a rnachinefof` the character described, a

.bed plate; a gauge rail fixed rigidly alongggone edge thereof, a vertical pivot `fixed in thej'bed`- plate, ja baseiplate resting upoirthe bed plate and'rotatably adjustable4 about the vertical pivot,

a rigid arm hingedly mounted on the base plate 'f g bed plate having an integral flange at one side,

`ment.

a gaugerailxed rigidly thereto, a base mounted for rotative movementonthe bed about a vertical pivot, an arm hingedly attached' upon the base to swing in a vertical plane Aand extending across the gauge rail, a transverse arbor mounted in theendmcv the arm, av circular saw mounted on the arbor for cutting pieces'disposed against the g-auge'rail, means on the arm Yfor driving the arbor, adjustable means for limiting movement of the arm'upw'ardly and downwardly and for holding at set positions and means on the base engageable with the bed plate for locking the basel at diierentpositions of its rotative adjust- /Ln a machine of the character described, a-

bedpla'te having an integral ange 'at one side,

a gauge ra'il iixed thereto, a base mounted for rotative movement on said bed plate about a ver,d tical axis, standards on the base, an'arm hingedly supported by the standards to swing in. a vertical plane and extending across the gauge rail, an arbor mounted transversely of the arm at its end, wood working tools on'thc arbor for operation on pieces Ydisposed against the gauge rail,a motor mounted'on the arm tc-d'rive thc arbor a handle at the end of the 'arinwnere-v bythe arm `may be raised and lowered andthe base rotatably adjusted.

5. .A niachinoof the characterdescribedcomf prising a bed plate formed at its front edge Vwith anupturned flange and having spaced ears there-v on atits opposite edge, a .bar fixed to the flange,

a base mounted on the bed platefor rotative adi justinent thereon 'about a vertical pivot, standards formed on the base, an arm hingedly sup-- ported bythe standards to swing in a vertical plane; Ysaid extending acrossv the gauge nenge Yand bananar'bor mounted in the arm near the outer end, Va"motormounted on. the arm, at: its inner end, means operatively'connecting' the' motor with the arbor, a circular-saw mounted on the arbor, releasable locking Vmeans for se .curing the base at different, positions of its ro-r tativeV adjustmentand a-handheld atfthe swing ing end of the arm whereby itmay be raised or lowered or the base rotatably adjusted thereby.

6. A device as inz claim 5 wherein a saw table overlies4 the-armand is provided with a' slot for passing lthe, saw when the arm is in a' plane perpendicular to the gauge bar. V

'1. A device as in claim' wherein avsaiv table overlies the armV and has a slot for passing the saw upwardly therethrough whenthearm is ex-l tended in a direction at right angles to the'yertical 'plane or the gaugev bar, and adjustable means is provided on theV table for supporting the arrn vto retain the saw at a set position relative to the table.` f

8. A device as in claim 5 wherein a saw` tabler Yhorizontally overlies the arm andis provided with a slot for passing the saw upwardly therethrough .and adjustable means'is provided on thearm'ior engaging thestandards to sustain thef saw at a definite position yWithin theslotV of the table.

- V9. A bed plate, a'gauge rail fixed thereto, a base mounted thereon for rotative Vadjustment about a `vertical pivot, a pair of standards-'on the base, an armhingedlyfmounted by the standards lto swing-in a-vertical plane across the gauge rail, an arbor transversely mounted at theswinging end of the arm, aV motor mounted upon-the hinged endroi theV arm for rdriving vthe arbor,` a`

circular saw on the arbor for-operation on'pieces disposed against the rail, and a saw ,table adapted to horizontally overlie the; arm and .provided with a slotfo'r passing the saw upwardly therethrough, said arm having` a hand hold at its swinging end for moving it to different positions, and said table being hingedly. mounted on the' base -to permit its being swung rearwardly to a position-removed from the saw. l i Y l0. A device as in' claim 9 wherein an'arm adjusting and `supporting bolt is pivotally` attached tothe table frame and adapted for adjustable connection with `vthe arm to hold it rigidly at a set position. Y ll. A device of ing a base, rails rigidly vmounted thereon, 1a

`gauge bar nxed'to the base beneathy the rails, a

bed plate slidablyimovable along; the rails, an arm hinge/elly mounted upon the bedrplate to swing in Ja vertical plane, a driven, circular saw mounted by the swinging end of the arms' l2.-A device asin claim l1 wherein the rail supporting base is rotatablyradjustable about a "vertical pivot to change the angular relationship l of the rails to the gauge bar.` f

V18. A device as in vclaim 11 wherein the rail supportingbase is rotatably adjustableabout a vertical pivot to change the angula relationship -of therails to the gaugebar and releasable means is provided for locking the rotatable base at means operable from the ends of the rails. i

14; A device as in claim Yl1 -whereinf'the rails have supporting legs yieldably mountedfat their `outer ends and which Amay be displaced for passing material beneaththe rails but will'autorn'ajti-Y cally assun'ie.theirifunctional position.;

15. A device of thecharacter ldescribedy comprising a lower bed plate, a gauge bar fixedthere` to, a base mounted on the bedplate for rotative the ,character ydescribed includdenite angular positions, and has releasingV adjustment' about a vertical pivot,V releasable means for-locking it at different positions of adjustment, a pair of parallel, horizontally directed rails mounted by saidbase, a` second bed plate mountedv on said rails v for vtravel longitudinally th'erealong, ran upper base mounted on the sec- `ond bed plate for adjustment'about a vertical pivot, means for lockingit at different positions Y of adjustment, standards on the upper base, an arm hingedly mounted :bythe standards to swing vertically, annarbor mounted at -the swinging end of the arm, revolvingstools carriedby the arbor, means on the arm for driving the arbor, and

adjustable means Vfor controlling thefextent of' up and down movement of the arm.

16,.l In a device of the class'des'cribed, a base, a saw table hingedly attached to thebase and having a slot therein, an armhingedly attached to the base beneath the table to swing in avertical plane, an yarbor mounted transversely 'of the arm at its swinging end, a motoren the arm for drivingthe arbor,` a saw mounted bythe arbor and operable through theslot inthe table, kmeans attached to the table for securing the arm at xe positions to support the saw at different Aheights Within the slot and an electric lamp mounted on the arm for illuminating the Work.

17. vIn combination, a base, an arm hingedly attached thereto for vertical movement, an arbor mounted by the arm at its swinging end, va circular saw at one end. of the arbor, a Wood working provided for determining extent of movement of the arm. i l

19. In a machine of the character described, a bed plate, a gauge rail xed rigidly thereto', la base mounted on the bed plate for rotative movement about a vertical pivot, an arnrhingedlyv mounted on the base to swing in a vertical 'plane across the gauge rail, a saw at theend ofthe arm vfor cutting pieces disposed against the rail, and a lamp mounted on the arm between the saw and the pivot point of` the' arm and adapted to illuminate the piece Worked on' along the plane of the saw.

'zojnia machine of the character described,

"bed plate, a, gauge rail xed rigidly, thereto,Y a

basev mounted for rotativemovement abouta Vermounted upon `the base to .swing in` va vertical planeacross the-'gaugeraiL a circular saw mount` ed at the end of the arm for cutting pieces dis- `tical axis .onsaid bed plate, an arm hingdly .i u y posedagainst thegauge rail and means on` the arm for driving theV saw, and a'gauge' member adjustably xed to the arm cooperating with the gauge rail onpieces cut against said gauge rail..

21. In a machine of the character described, a v

bed'plate, a gauge rail xed rigidly thereto, a base mounted for rotative movement about a vertical axis on said bed plate, an arm hingedlyfmounted upon the base to4 swing ina vertical plane across j= the gauge rail, a circular saw mounted at the end i and an independent rabbeting depth gauge fixed adjustably to the hand4 guard of the arm on one sidethereof and rabbeting depthV gauge adjustable crossvvise of the arbor arm and plane of the saw on the otherside ofthe arm, both gaugesacting independently of `each other; 5

- 1 LADISLAUS ZACHARA.

of the arm `for cutting pieces disposed Y,against the bed. plate ange, a motor for driving theA saw? .1475i c f 

